After months of missed opportunities, the CIA and MI6 are about to meet Penkovsky. But with Soviet Premier Nikita Khrushchev squaring up to the US President John F. Kennedy over West Berlin, his information could have thermonuclear consequences.

Listen to The Spy Who ad-free on Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial by visiting wondery.com/links/the-spy-who now.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.